Mine detail: Sampson

Previously called 'EarlMargaret Mine ProjectSpirit Lake'

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Location

Lat / long:

46.35791, -122.07729

Resource(M)

Tertiary:	Copper, Gold, Iron, Lead, Molybdenum, Silver, Zinc
Ore:	Chalcopyrite, Gold, Pyrite, Silver, Azurite, Malachite
Gangue:	Tourmaline
Orebody form:	breccia pipes
Other material:	Sphalerite
Discovery year:	1900

Production

Operation type:	Underground
Development status:	Prospect

Geology

Host type:	Quartz Diorite
Associated type:	Quartz Monzonite,Dacite,Volcanic Breccia (Agglomerate)

References

MAS	530590071
DEP	10301870
Reference	{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1, P. 78.}{Deposit:: WAS. DIV. MINES AND GEOL. INFO. CIRC. 48, 1973, P. 15.}{Deposit:: Moen, W.S., 1977, St. Helens and Washougal Mining Districts of the sourthern Cascades of Washington: Washington Division of Geology and Earth Resources INFO. CIRC. 60, 1977, P. 25.}{Deposit:: U.S. BUREAU OF MINES RI 5343, 1957, 16 P.}{Deposit:: HILLMAN, C. T., 1970, GEOLOGY OF THE MT. MARGARET-GREEN RIVER AREA, WASHINGTON: M.S. THESIS, MIAMI UNIV., OXFORD, OH.}
Reporter	Sweeney, Thomas M., Causey, J. Douglas